55563351128 has 16 divisors (see below), whose sum is σ = 104423009760. Its totient is φ = 27717215200.

The previous prime is 55563351127. The next prime is 55563351139. The reversal of 55563351128 is 82115336555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55563351127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8053883 + ... + 8060778.

It is an arithmetic number, because the mean of its divisors is an integer number (6526438110).

Almost surely, 2^55563351128 is an apocalyptic number.

It is an amenable number.

55563351128 is a deficient number, since it is larger than the sum of its proper divisors (48859658632).

55563351128 is a wasteful number, since it uses less digits than its factorization.

55563351128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115098 (or 16115094 counting only the distinct ones).

The product of its digits is 540000, while the sum is 44.

The spelling of 55563351128 in words is "fifty-five billion, five hundred sixty-three million, three hundred fifty-one thousand, one hundred twenty-eight".